97883980

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{433}}^1$

素因数の和:658

約数の個数: 48

約数和(自身を含む): 209986560

約数和(自身を除く): 112102580

約数列:

[1, 2, 4, 5, 10, 20, 89, 127, 178, 254, 356, 433, 445, 508, 635, 866, 890, 1270, 1732, 1780, 2165, 2540, 4330, 8660, 11303, 22606, 38537, 45212, 54991, 56515, 77074, 109982, 113030, 154148, 192685, 219964, 226060, 274955, 385370, 549910, 770740, 1099820, 4894199, 9788398, 19576796, 24470995, 48941990, 97883980]

約数ペア:

[(1, 97883980), (2, 48941990), (4, 24470995), (5, 19576796), (10, 9788398), (20, 4894199), (89, 1099820), (127, 770740), (178, 549910), (254, 385370), (356, 274955), (433, 226060), (445, 219964), (508, 192685), (635, 154148), (866, 113030), (890, 109982), (1270, 77074), (1732, 56515), (1780, 54991), (2165, 45212), (2540, 38537), (4330, 22606), (8660, 11303)]